Alright, let's work through 47631189 times 20987062 step by step
47631189 × 20987062 = 20987062 × (47631189)
+ 20987062 × 9 resulting in 188883558
+ 20987062 × 80 that equals 1678964960
+ 20987062 × 100 producing 2098706200
+ 20987062 × 1000 producing 20987062000
+ 20987062 × 30000 that results in 629611860000
+ 20987062 × 600000 which equals 12592237200000
+ 20987062 × 7000000 resulting in 146909434000000
+ 20987062 × 40000000 giving us 839482480000000

= 999638716676718
